Create `Model.changes` based on supabase/realtime

[stakach]

This will allow the place-labs/resource abstraction to function in the same manner.

https://github.com/supabase/realtime

[caspiano]

Are we also planning on swapping out our ORM?

[stakach]

yeah, see #71
no timeline on this yet, we don't even have to really.
But it's probably worth doing? if only for the better cloud support and reduced likelihood of some kind of DB corruption event